Related Experiment Video
Updated: Sep 27, 2026

Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation
Published on: May 2, 2013
[An immunomonitoring program for supervising transplant patients]
1Institut für Medizinische Immunologie, Bereiches Medizin (Charité), Humboldt-Universität, Berlin, DDR.
Insights
Flow cytometry monitoring of lymphocytes and monocytes in organ transplant patients detects immune system activity. This helps diagnose acute rejection, viral infections, and sepsis through characteristic immune cell changes.
Area of Science:
- Immunology
- Transplant Medicine
- Clinical Diagnostics
Background:
- Monitoring immune status is crucial in organ transplantation.
- Cellular immunity plays a key role in post-transplant complications.
- Identifying immune system activity aids in managing transplant recipients.
Purpose of the Study:
- To assess the utility of flow cytometry for monitoring immune cell populations in organ transplant patients.
- To correlate changes in lymphocyte and monocyte subsets with clinical events.
- To validate immunomonitoring as a diagnostic tool in post-transplant care.
Main Methods:
- Peripheral blood samples from organ transplant patients were analyzed.
- Flow cytometry was employed to quantify lymphocyte and monocyte subsets.
- Monoclonal antibodies were used to identify differential and activation antigens on immune cells.
Main Results:
- Flow cytometry effectively captured acute immune system activity.
- Distinctive changes in immune cell profiles were observed during acute rejection crises.
- Characteristic immune alterations were identified in systemic viral infections and septic states.
Conclusions:
- Immunomonitoring using flow cytometry provides valuable diagnostic insights.
- This method aids in the early detection and management of post-transplant complications.
- The diagnostic assertion of this immunomonitoring program is verified by observed changes.
Abstract:
Lymphocytes and monocytes with differential and activation antigens were determined by means of the flow cytometry by using monoclonal antibodies in the peripheral blood of patients after organ transplantation. Examinations of the course showed that in this way the acute activity is seized by the cellular immunosystem. Acute reject crises, systemic virus infections, as well as septic states lead to characteristic changes and these verify the diagnostic assertion of this immunomonitoring programme.
Related Concept Videos
Kidney Transplant I: Introduction
Kidney Transplant III: Nursing Management

